[Chore] Using try-with-resources to simplify the code.

[asia-zengtao]

the BufferedReader is used within a try-with-resources statement, which automatically handles the closing of the BufferedReader after use. This ensures that the input stream is properly closed, even in the case of an exception.

Purpose of this pull request

Check list

• Code changed are covered with tests, or it does not need tests for reason:
• If any new Jar binary package adding in your PR, please add License Notice according
  New License Guide
• If necessary, please update the documentation to describe the new feature. https://github.com/apache/seatunnel/tree/dev/docs
• If you are contributing the connector code, please check that the following files are updated:
  1. Update change log that in connector document. For more details you can refer to connector-v2
  2. Update plugin-mapping.properties and add new connector information in it
  3. Update the pom file of seatunnel-dist
• Update the release-note.

[TyrantLucifer]

You can execute mvn spotless:apply to format your codes.

[ic4y]

@asia-zengtao Please use mvn spotless:apply to format the code.